Download and install Urn.py
This page has quick link to the current version of Urn.py. This is the library file for all the urn operations.
Download the file urn.zip.
This file contains urn.py in a compressed format. Open urn.zip and extract the file urn.py into your working your directory. If you want to see what version you are running, enter the following line in one of your programs and run the program.
version()
If you get an error message then you have a very old version. Otherwise, it will print a message something like the following:
urn version: 03/16/06
The date on the home page link to this page has the most recent update date.